It sounds like your DH needs a cell phone with all the bells and whitles, so he's better off with a monthly plan. But how about you? If you don't use your cell all that much, then you may be better off getting a pre-paid phone if you aren't under contract. I spend $100 a YEAR on my cell and have more than enough minutes, in fact I usually have minutes left over that get rolled over when I re-up in the fall. I have t-mobile pre-paid, if interested let me know and I'll give you the details.
I've taken to making my own pizza's at home for about $5 each. I buy fresh pre-made dough at Trader Joe's, and I can make a pizza and bake it in less time than it takes to call, order, and have it delivered. It's also a lot healthier, and IMO, tastes a lot better!
I also make my own crazy bread, tastes just as good as Pizza Hut or Little Ceasars and it's a fraction of the the cost, if you want to know how to make those, again just ask.
If you know that, even with the best of intentions, that you'll be eating out a few times a month, go ahead and budget that in. Then keep a lookout for coupons and discounts at your fav restaurants. If your fave italian place has a "kids eat free" promotion on Tuesdays, then go on a Tuesday! Order water instead of soft drinks, have desert at home, split an entree, there are a lot of ways to eat out and do it for less.
As for groceries, if you buy individual wraped whatever to put in your kids lunches, price out what it would cost to buy a big bag/box of whatever and see if it's cheaper to just divide it up yourself (chips, cookies, juice, etc.). Use resuable containers and overtime you'll save money on not having to buy baggies (plus it's good for the enviroment!
).
Try having breakfast for dinner one night, meatless meals, and leftovers to stretch your grocery dollar a bit further. Homemade pancakes are cheap and fun, plus it's something different.
And coupons! Clip them out of the paper and if your stores accept them, print them out online. Get multiple coupns if you can for the items you get most, then save the coupons until those items go on sale. I've gotten items for 75% off or more by doing this. Stock up as much as you can when items are on sale and then use that stock for when they are regular price. When they go on sale again a few weeks/months later, refill your pantry! I've got like 20 boxes of Mac N Cheese in my pantry as I write this, I'm probably good for the rest of the year. But I saved 75 cents or so a box, so it adds up! Right now I'm waiting for canned soup coupons to start showing up again. Soups go on sale in the fall and winter and you can find tons of coupons for them as well. I'll heat up a can of soup and then make buttmilk biscuts from scratch. Makes a very filling meal on a cold fall day, and only costs pennies after getting a can of soup for 50 cents when it retails at $2.50!
BTW, you budget didn't include life insurance. You do have life insurance...right? If not you need to shop around for a
term (stay away from whole, universal, etc. Just shop for term) policy for both you and your husband. God forbid, but should something happen to one of you and there isn't any insurance, you'll be up a creek in a hurry. Yes it's an added expense at a time when you're trying to cut back, but it's esential to have for a family with kids. If you do have insurance but it is through your employer, you should still consider getting your own policy. If you leave that job for whatever reason, your insurance goes away. YOu should also check into disability insurance if you don't have a policy already. Disabilities can be just as financially devistating as a death, and should be prepared for accordingly. And statisiclly, your more likely to be disabled than die young.
(I started that when I ended up in that type of situation! 
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